<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			body{
				padding: 20px;
			}
			div{
				margin: 10px;
				padding: 5px;
				font-size: 12px;
				line-height: 25px;
			}
			#father{
				border: 1px solid #666;
				padding: 0px;
				/* position: relative; */
			}
			#first{
				background-color: #f2bb6f;
				border: 1px dashed #b55a00;
			}
			#second{
				background-color: #003580;
				border: 1px #0000a8 dashed;
				float: right;
				position: absolute;
				bottom: 0px;
				/* left: 0px; */
				right: 0px;
				
			}
			#third{
				background-color: #f3f3f3;
				border: 1px #395e4f dashed;
			}
		</style>
	</head>
	<body>
		<div id="father">
			<div id="first">第一个</div>
			<div id="second">第二个</div>
			<div id="third">第三个</div>
		</div>
	</body>
</html>
